I can't create an account! It keeps saying "We're sorry, but we are not able to complete your registration at this time." when I fill in my details. Pls help, someone.( I don't know what subject this should be in)

Try making the account on a another device , using a different email

Idon't see any graph, however the graph of the function : f(x) = x²-2x+3 is a parabola: 1) open upward (since a> 0)2) it intersects y-axis in 3 (y=3)3) its axis of symmetry is x = +1 ( -b/2a)4) it's minimum is y = -2, so its vertex is (1,-2)5) it doesn't intersect the x-axis since discriminant < 0